package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.anno.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.*;

import java.util.List;
import java.util.Map;

//@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    //新增菜品
    @AutoFill(OperationType.INSERT)//自动填充createTime, updateTime, createUser, updateUser
//    @Options(useGeneratedKeys=true, keyProperty="id")//获取主键值并赋值给id属性
//    @Insert("insert into dish values (null, #{name}, #{categoryId}, #{price}, #{image}, #{description}, #{status}, #{createTime}, #{updateTime}, #{createUser}, #{updateUser})")
    void insert(Dish dish);

    Page<DishVO> pageDishList(DishPageQueryDTO dto);

    //根据id查询菜品
    Dish selectById(Long id);

    void deleteBatch(List<Long> ids);

    //修改菜品
    @AutoFill(OperationType.UPDATE)
    void update(Dish dish);

    List<Dish> list(Dish dish);

    /**
     * 根据套餐id查询菜品
     * @param setmealId
     * @return
     */
    @Select("select a.* from dish a left join setmeal_dish b on a.id = b.dish_id where b.setmeal_id = #{setmealId}")
    List<Dish> getBySetmealId(Long setmealId);

    /**
     * 修改菜品状态
     *
     * @param dish  包含 id 和 status 的菜品实体
     * @return      影响行数
     */
    @Update("UPDATE dish SET status = #{status} WHERE id = #{id}")
    void updateStatus(Dish dish);

    List<Dish> listBy(Dish dish);

    /**
     * 根据条件统计菜品数量
     * @param map
     * @return
     */
    Integer countByMap(Map map);
}
